freebsd-skq/sys/arm64/include/debug_monitor.h
andrew 4a70bd772c Fix the arm64 kernel build when DDB is disabled, debug_monitor.c depends on
DDB, and is unused when it's disabled.

Obtained from:	ABT Systems Ltd
MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
2016-09-13 15:45:22 +00:00

64 lines
2.1 KiB
C

/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Semihalf under
* the sponsorship of the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_DEBUG_MONITOR_H_
#define _MACHINE_DEBUG_MONITOR_H_
#ifdef DDB
#include <machine/db_machdep.h>
enum dbg_el_t {
DBG_FROM_EL0 = 0,
DBG_FROM_EL1 = 1,
};
enum dbg_access_t {
HW_BREAKPOINT_X = 0,
HW_BREAKPOINT_R = 1,
HW_BREAKPOINT_W = 2,
HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W,
};
void dbg_monitor_init(void);
void dbg_show_watchpoint(void);
int dbg_setup_watchpoint(db_expr_t addr, db_expr_t size, enum dbg_el_t el,
enum dbg_access_t access);
int dbg_remove_watchpoint(db_expr_t addr, db_expr_t size, enum dbg_el_t el);
#else
static __inline void
dbg_monitor_init(void)
{
}
#endif
#endif /* _MACHINE_DEBUG_MONITOR_H_ */